JA

Junji Ayukawa

JS Jsr: 1 patents #649 of 1,137Top 60%
Overall (All Time): #3,505,600 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6534586 Flame-retardant rubber composition and flame-retardant elastomer Shoei Tsuji, Toshiyuki Hayakawa, Minoru Tanaka, Fumio Tsutsumi 2003-03-18